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How to tell when you need new siding

Updating the siding of your home’s exterior is a big undertaking.

Oct 21, 2019 | Roofing, Siding

Updating the siding of your home’s exterior is a big undertaking. This home improvement is considerable investment taking into consideration the scale of the job and the particular skill set needed to complete such a project. How do you know if you need new siding? Here are some issues to look out for that are good indicators that you may need new siding.

CertainTeed Board and Batten example

Rot

Sign of rot to your siding is proof of damage, and an indication that the siding can no longer perform its designed function- protect your home from the elements. You may be able to repair damage in the affected area, but rot that has spread across the exterior cannot be contained. It’s best just to replace the siding.

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Cracks

Hail damage is a primary culprit with cracks and gaps in your siding. Cold weather, in particular, can cause the siding to fracture and crack. Some cracks may go unnoticed, but others may result in large pieces of the siding pulling away from the wall. This impairment allows moisture to infiltrate through the siding, limiting its role.

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Moisture and Mold

Moisture accumulation can manifest in the form of mold or mildew on your home’s exterior siding. Rainwater could have gotten trapped behind the siding causing it to remain wet. Mold and mildew are health hazards, and if the damage is beyond being fixed, it’s time to get new siding.

Loose Siding

Wind damage can cause the siding to become loose. When the siding sheets aren’t locked together, the loose siding cannot properly protect your home. Multiple pieces of loose or missing siding is a sign of serious underlying problems that need to be addressed.

Greenawalt Roofing Company offers a great selection of CertainTeed siding products. These attractive, advanced siding systems will provide your home with superior weather protection. Our exceptional service is what you need for your next home-improvement project.

What Central Pennsylvania property owners should consider

How to tell when you need new siding is best understood in the context of the whole property, not from one symptom alone. The age of the materials, previous repairs, water-management details, installation methods, and nearby exterior components can all affect what is visible. Central Pennsylvania’s mix of heavy rain, wind, summer heat, falling leaves, freeze-thaw cycles, and winter weather can also make the same concern look different from one home or building to another.

Start with observations that can be made safely. Avoid climbing onto the roof or disturbing damaged materials. Instead, note when the concern appeared, whether it changes during particular weather, and whether it is isolated or occurring in several areas. Photographs taken from a safe location and notes about prior work can help a professional understand the history without relying on memory alone.

Details worth documenting

  • signs that the concern may extend behind the visible siding
  • cracked, loose, warped, or missing panels
  • staining or softness around windows, doors, and penetrations
  • open seams, failed trim, or areas where water may enter
  • fading or mismatched repairs that affect the project scope

These details do not replace an on-site evaluation, but they make the conversation more useful. They also help separate a maintenance item from a repair need or a larger project. A clear evaluation should explain the observed condition, the likely scope, the surrounding components that were checked, and any assumptions that could affect the recommendation.

Questions to ask before authorizing work

  • Is there evidence of moisture behind the visible surface?
  • How will trim, flashing, and penetrations be handled?
  • Can the existing profile and color be matched?
  • What ventilation or drainage details are part of the wall system?
  • How will nearby roofing, gutters, windows, and doors be protected?
  • Can the affected area be repaired cleanly, or is replacement more practical?

Ask for the proposed work in writing and compare scopes rather than price alone. Materials, labor, disposal, cleanup, ventilation, flashing, permits, warranties, and possible concealed conditions should be easy to identify. If alternatives are available, the practical differences should be explained in plain language so the decision reflects the property’s needs and the owner’s priorities.

Greenawalt Roofing serves homeowners across Central Pennsylvania. Learn about residential siding services, review what happens during a Full Exterior Exam, browse the company’s service areas, or request a free estimate.

Our experience with Greenawalt for our new roof and gutters was absolutely seamless. Brandon Garman did a very thorough assessment of our roof and determined exactly what we needed to fit our needs. We had a lot of questions along the way and he always made himself available to talk through the technical aspects. The price was fair and the job was scheduled quickly. We are very satisfied with the workmanship and quality of our new roof. We felt very taken care of throughout the process thanks to Brandon and Jess!"

-Danielle

5 Star Customer Testimonial

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